基于IEEE 802.11ah的物联网的qos感知MAC协议

2018 Fifteenth International Conference on Wireless and Optical Communications Networks (WOCN) Pub Date : 2018-02-01 DOI:10.1109/WOCN.2018.8556133

N. Ahmed, D. De, M. I. Hussain

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引用次数: 12

摘要

IEEE 802.11ah标准已被证明是物联网(IoT)中距离网络的可扩展解决方案。802.11ah基于RAW (Restricted Access Window)的通道访问机制减少了冲突，提高了可扩展性。然而，RAW机制会在随机生成事件驱动流量的网络中造成拥塞。针对基于802.11ah的网络，提出了一种感知服务质量(QoS)的优先级分组和RAW调度算法。提出的协议减少了冲突，并确保了罕见但关键的事件驱动站所需的带宽。性能评估表明，该方案比基于802.11ah的MAC协议有显著改进。

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A QoS-aware MAC protocol for IEEE 802.11ah-based Internet of Things

The IEEE 802.11ah standard has proven to be a scalable solution for medium range networks in Internet of Things (IoT). The Restricted Access Window (RAW)-based channel access mechanism of 802.11ah reduces collisions and improves scalability. However, the RAW mechanism creates congestion in the network having event-driven traffic generated randomly. This paper proposes a Quality of Service (QoS)-aware priority grouping and RAW scheduling algorithm for the 802.11ah-based network. The proposed protocol reduces collisions and ensures required bandwidth for rare but critical event-driven stations. Performance evaluation of the proposed scheme shows significant improvement over 802.11ah-based MAC protocol.

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2018 Fifteenth International Conference on Wireless and Optical Communications Networks (WOCN)

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